From 450667c5135c2e933682d6b825da992a1f4bff2f Mon Sep 17 00:00:00 2001
From: Filipp Lepalaan <filipp@mac.com>
Date: Tue, 29 Sep 2015 11:01:51 +0300
Subject: Added Location field to Invoice

---
 servo/migrations/0032_auto_20150929_1101.py | 24 ++++++++++++++++++++++++
 servo/models/invoices.py                    | 24 +++++++++++++++++++-----
 servo/views/device.py                       |  2 +-
 3 files changed, 44 insertions(+), 6 deletions(-)
 create mode 100644 servo/migrations/0032_auto_20150929_1101.py

diff --git a/servo/migrations/0032_auto_20150929_1101.py b/servo/migrations/0032_auto_20150929_1101.py
new file mode 100644
index 0000000..e7b17ec
--- /dev/null
+++ b/servo/migrations/0032_auto_20150929_1101.py
@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('servo', '0031_auto_20150929_0010'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoice',
+            name='location',
+            field=models.ForeignKey(blank=True, editable=False, to='servo.Location', null=True),
+        ),
+        migrations.AlterField(
+            model_name='invoice',
+            name='is_paid',
+            field=models.BooleanField(default=False, verbose_name='Paid'),
+        ),
+    ]
diff --git a/servo/models/invoices.py b/servo/models/invoices.py
index 7fa4287..8d5d8f2 100644
--- a/servo/models/invoices.py
+++ b/servo/models/invoices.py
@@ -8,8 +8,8 @@ from django.utils.translation import ugettext_lazy as _
 from django.dispatch import receiver
 from django.db.models.signals import post_save
 
-from servo import defaults
-from servo.models import User, Customer, Order, ServiceOrderItem, AbstractOrderItem
+from servo.models import (User, Customer, Order, Location, 
+                          AbstractOrderItem, ServiceOrderItem,)
 
 
 class Invoice(models.Model):
@@ -32,9 +32,15 @@ class Invoice(models.Model):
         verbose_name=_("Payment Method")
     )
 
-    is_paid = models.BooleanField(default=False, verbose_name=_("paid"))
+    is_paid = models.BooleanField(default=False, verbose_name=_("Paid"))
     paid_at = models.DateTimeField(null=True, editable=False)
     order = models.ForeignKey(Order, editable=False)
+    location = models.ForeignKey(
+        Location,
+        null=True,
+        blank=True,
+        editable=False
+    )
     customer = models.ForeignKey(
         Customer,
         null=True,
@@ -42,8 +48,8 @@ class Invoice(models.Model):
         on_delete=models.SET_NULL
     )
 
-    # We remember the following the following so that the customer info
-    # on the invoice doesn't change if the customer is modified or deleted
+    # We remember the following so that the customer info on the invoice 
+    # doesn't change if the customer is modified or deleted
     customer_name = models.CharField(
         max_length=255,
         default=_("Walk-in"),
@@ -97,6 +103,9 @@ class Invoice(models.Model):
         return [x.get_method_display() for x in payments]
 
     def dispatch(self, products):
+        """
+        Dispatches the products in this invoice from the inventory
+        """
         for p in products:
             soi = ServiceOrderItem.objects.get(pk=p)
             InvoiceItem.from_soi(soi, self)
@@ -109,6 +118,11 @@ class Invoice(models.Model):
         from django.core.urlresolvers import reverse
         return reverse("invoices-view_invoice", args=[self.pk])
 
+    def save(self, *args, **kwargs):
+        if self.location is None:
+            self.location = self.order.location
+        return super(Invoice, self).save(*args, **kwargs)
+
     class Meta:
         ordering = ('-id',)
         app_label = 'servo'
diff --git a/servo/views/device.py b/servo/views/device.py
index a955b1c..9babbd2 100644
--- a/servo/views/device.py
+++ b/servo/views/device.py
@@ -232,7 +232,7 @@ def diagnostics(request, pk):
                 diagnostics = DiagnosticResults(diagnostics)
                 return render(request, "devices/diagnostic_ios.html", locals())
             return render(request, "devices/diagnostic_results.html", locals())
-        except gsxws.GsxError, e:
+        except gsxws.GsxError as e:
             return render(request, "devices/diagnostic_error.html", {'error': e})
 
     return render(request, "devices/diagnostics.html", locals())
-- 
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